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This will be quick but thought provoking, I hope. I was on the phone with Mike Ahmadi of Granite Key and Jim McElroy of Green Hills Software this morning, and one thing we discussed points out how little we've actually thought through Smart Grid security so far.
Let's suppose the big hitter on electricity in your house, like mine, is the air conditioner. Let's also suppose it's connected to the smart meter via a network so that the electric utility can dial things back a couple degrees at peak. What if an aspiring EE type were somehow able to "root" the air conditioner's code and have it report back as a refrigerator, or some other less consumptive device, and get around the management policy? Or magically only report 10% of its actual use? Interesting challenge for a utility to be able to spot that kind of behavior.
OK, it's a bit black hat, and yes the vast majority of consumers wouldn't have this capability, and even people with capability most likely wouldn't have time or want to mess with their warranty. OK. But what if? The point here is don't overlook security in connected M2M devices, no matter how mundane that device might seem today, because tomorrow someone might want to do something out of the ordinary with it, and you might have to be the one to spot it.
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